Screen cylinder frame windows



FIG. 1 is a top view

FIG. 2 is a bottom view.

FIG. 3 is a side view; and,

FIG. 4 is a perspective view.

Two windows are shown in solid lines in the drawings. The broken lines shown in all figures are for illustrative environmental purposes only and form no part of the claimed design. 

The ornamental design for screen cylinder frame windows, as shown and described. 